Home / 27,278.08-37,634.70-22,233.62

Finding the Fourth Proportional to 27,278.08, 37,634.70 and 22,233.62

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Solution

The fourth proportional to 27,278.08, 37,634.70 and 22,233.62 is: 30,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.08 : 37,634.70 = 22,233.62 : x
  2. Step 2: Convert to fraction form
    27,278.08/37,634.70 = 22,233.62/x
  3. Step 3: Cross multiply
    27,278.08x = 37,634.70 × 22,233.62
  4. Step 4: Simplify right side
    27,278.08x = 836,755,618.61
  5. Step 5: Solve for x
    x = 836,755,618.61/27,278.08
  6. Step 6: Final answer
    x = 30,675.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.